Awesome Quality The balloon is made of high-quality material – which is very durable. These balloons can be filled with air and helium. Suitable for birthday themed parties of all ages and create great memories with your kids, family and friends! Very Shiny Birthday balloons made with high quality shiny aluminum foil, strong and auto-seal, without leaking and losing air. Bright, Vibrant Our premium quality balloons are crafted with a durable, ultra-shiny aluminum foil that maintains form without leaking or losing air.